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Airflow Engineering

We are Uniquely Airflow

Precision in Every Cut. Perfection in Every Design.

Airflow Engineering (SI) Ltd, known simply as Airflow, is a Christchurch-based family business specialising in HVAC solutions, ducted system design, custom manufacturing, sheet metal fabrication and precision fibre laser cutting.

With over 34 years of industry experience, we work alongside installers, builders, manufacturers, contractors and homeowners, providing practical advice, quality products and reliable solutions backed by genuine industry knowledge.

From ducted heat pump systems, zoning solutions, custom plenums and fresh air ventilation through to precision laser-cut components and custom sheet metal fabrication, we bring design, manufacturing and supply together under one roof.

Our strength is in understanding what our customers need and finding the right solution — whether that means supplying a trusted HVAC component, designing something specifically for the job, or manufacturing a completely custom piece.

Serving residential, commercial, industrial and manufacturing sectors throughout New Zealand, we combine experience and innovation with the values of a family business. We believe in doing things properly, being easy to deal with, standing behind what we deliver and taking pride in the details.

That’s what makes us Uniquely Airflow.

Precision in every cut. Perfection in every design. It’s The Airflow Way.

Code Product Price Min.
Quantity
Status Quantity
QTOKM4W400-4-24V QTOKM4W400-4-24V QTOKM 400 base with any 4-24V Motorised Spigots
RRP $953.00
$828.70
0 Manufactured 2-3 Days
ADD TO ORDER
R-ABS-200150 R-ABS-200150 Reducer 200–150 – ABS Plastic
RRP $32.00
$27.83
0 Available from Stock
R-ABS-250200 R-ABS-250200 Reducer 250–200 – ABS Plastic
RRP $35.00
$30.43
0 Available from Stock
R-ABS-300250 R-ABS-300250 Reducer 300–250 – ABS Plastic
RRP $46.00
$40.00
0 Available from Stock
R-ABS-350300 R-ABS-350300 Reducer 350–300 – ABS Plastic
RRP $50.00
$43.48
0 Available from Stock
R-ABS-400350 R-ABS-400350 Reducer 400–350 – ABS Plastic
RRP $55.00
$47.83
0 Available from Stock
R-ABS-450400 R-ABS-450400 Reducer 450–400 – ABS Plastic
RRP $66.00
$57.39
0 Available from Stock
R-F-300100-1M R-F-300100-1M Flexible Reducer 300–100 – 1m Length
RRP $35.00
$30.43
0 Manufactured 4-5 Days
R-PVC-150100 R-PVC-150100 Reducer 150–100 – White PVC
RRP $35.50
$30.87
0 Available from Stock
REPLACEMEDIA REPLACEMEDIA Replacement Media Fitted into existing Fame
RRP $35.00
$30.43
0
Available from Stock
Reducer 200–150 – ABS Plastic R-ABS-200150
RRP $32.00
$27.83
Available from Stock
Reducer 250–200 – ABS Plastic R-ABS-250200
RRP $35.00
$30.43
Available from Stock
Reducer 300–250 – ABS Plastic R-ABS-300250
RRP $46.00
$40.00
Available from Stock
Reducer 350–300 – ABS Plastic R-ABS-350300
RRP $50.00
$43.48
Available from Stock
Reducer 400–350 – ABS Plastic R-ABS-400350
RRP $55.00
$47.83
Available from Stock
Reducer 450–400 – ABS Plastic R-ABS-450400
RRP $66.00
$57.39
Manufactured 4-5 Days
Flexible Reducer 300–100 – 1m Length R-F-300100-1M
RRP $35.00
$30.43
Available from Stock
Reducer 150–100 – White PVC R-PVC-150100
RRP $35.50
$30.87
Replacement Media Fitted into existing Fame REPLACEMEDIA
RRP $35.00
$30.43